Finding the Third Proportional to 394,790.63 and 550,060.31
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Solution
The third proportional to 394,790.63 and 550,060.31 is: 766,396.99
Step by Step Solution
- Step 1: Write the proportion equation
394,790.63 : 550,060.31 = 550,060.31 : x - Step 2: Convert to fraction form
394,790.63/550,060.31 = 550,060.31/x - Step 3: Cross multiply
394,790.63x = 550,060.31 × 550,060.31 - Step 4: Simplify right side
394,790.63x = 302,566,347,387.60 - Step 5: Solve for x
x = 302,566,347,387.60/394,790.63 - Step 6: Final answer
x = 766,396.99
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.